Yes. Private workshops authorized by RDSO for periodic overhaul (POH) must strictly follow G73 for all ICF-stock contracts.
G-73 heavily emphasizes the for new installations due to higher reliability. rdso technical pamphlet g73
The RDSo Technical Pamphlet G73 offers several benefits to the railway industry, including: rdso technical pamphlet g73
Draft revised particular specification No. G-73(1).pdf - RDSO rdso technical pamphlet g73